/Engine/Source/Runtime/SignalProcessing/Public/DSP/ReverbFast.h
InMaxInternalBufferSamples sets the maximum number of samples used in internal buffers.
FPlateReverbFast ( float InSampleRate, int32 InMaxInternalBufferSamples, const [FPlateReverbFastSettings](API\Runtime\SignalProcessing\DSP\FPlateReverbFastSettings) & InSettings )